Using gradients and tensor voting in 3D local geometric descriptors for feature detection in airborne lidar point clouds in urban regions.
Jaya Sreevalsan-NairAkshay JindalPublished in: IGARSS (2017)
Keyphrases
- point cloud
- feature detection
- tensor voting
- geometric structure
- feature detectors
- surface reconstruction
- lidar data
- keypoints
- structure from motion
- image features
- scale space
- detection algorithm
- point sets
- detection method
- object recognition
- preprocessing
- urban areas
- image analysis
- multiscale
- image matching
- three dimensional
- similarity measure
- smoothness constraint
- feature vectors
- shape descriptors
- palmprint
- image structure
- point correspondences
- computer vision
- multiple views
- feature points